Question

To make it easier to store and ship, an auto part is packaged in a triangular-prism box. How much

cellophane would be required to cover this box?

Answer 1

S = (1/2)(2)(60)(80) + 80(130) + 60(130) +

100(130)

= 4,800 + 10,400 + 7,800 + 13,000

= 36,000 cm²